package day0925;

import java.util.Scanner;

/**
 * Calculate A+B
 * 
 * @author chenxiaokang
 */
public class Ques1001 {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a = 0;
		int b = 0;
		while(scan.hasNext()){
			a = scan.nextInt();
			b = scan.nextInt();
			System.out.println(a+b);
		}
	}
}
